[Cyclefrance]

Jesus H Christ! You have wierder ones in the US than in the UK.

Sam Hill??? Who the Dickens is Sam Hill??? And 'right smart' is another one I've never come across, unless it arises north of Watford (over to Sundae Girl...)

Piss like a racehorse - now I think that is a corruption of 'piss (it) like a racehorse', Where the idea of 'piss it' means to accomplish it easily, as in the English cockney 'it was a piece of piss' meaning it was really very easy, as it is to piss (or pass water*) when you need to (although we also use another phrase for the same thing describing something easy as 'being a right doddle' - and I have absolutely no (zilch??) idea about where that one comes from...!)

* there's a joke about this: guy goes to doctors complaining about feeling poorly, to which the doctor asks 'do you find you have trouble passing water?' to which the guy replies 'funny you should ask that, I came over real dizzy on the bus the other day, just as it was going past the local reservoir!' Oh well some you do, some you don't!